CN108097986B - Lathe spindle air cooling structure - Google Patents
Lathe spindle air cooling structure Download PDFInfo
- Publication number
- CN108097986B CN108097986B CN201711319940.7A CN201711319940A CN108097986B CN 108097986 B CN108097986 B CN 108097986B CN 201711319940 A CN201711319940 A CN 201711319940A CN 108097986 B CN108097986 B CN 108097986B
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- CN
- China
- Prior art keywords
- air
- bearing
- channel
- vent holes
- cooling structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001816 cooling Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000007664 blowing Methods 0.000 claims abstract description 7
- 125000006850 spacer group Chemical group 0.000 claims description 23
- 230000000694 effects Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Turning (AREA)
- Mounting Of Bearings Or Others (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a lathe spindle air cooling structure which comprises a main body and an upper bearing, wherein the upper bearing is fixed on the main body, the main body is provided with an upper air passage, an upper air-equalizing passage and a plurality of upper vent holes, the upper air passage and the upper vent holes are respectively communicated with the upper air-equalizing passage, the upper air-equalizing passage is annular, the upper vent holes are uniformly distributed on the upper air-equalizing passage, and the upper vent holes face the upper bearing. The air blowing device is communicated with the upper air path, so that air flow blows to the upper bearing from the upper vent hole after being surrounded by the upper air equalizing channel, the air flow takes away the heat of the upper bearing through the interior of the upper bearing, and the air flow blows out from the gap at the rear end, so that the cooling effect is achieved, water vapor and dirt in the gaps at the front end and the rear end are blown away, and the air curtain sealing effect is realized.
Description
Technical Field
The invention relates to the field of machining, in particular to a lathe spindle air cooling structure.
Background
At present, along with the improvement of the industrialization degree, more and more machining equipment is applied to factory equipment, and a bearing is taken as a common structure and is often applied to production equipment, so that the machining efficiency is improved.
However, the existing lathe spindle structure has the following defects:
the lathe spindle structure on the market has poor heat dissipation effect, limits the use rotating speed of the bearing and is not beneficial to the improvement of the processing efficiency. The bearing is limited to apply smaller pretightening force, which is not beneficial to improving the rigidity and the bearing capacity of the main shaft. The spindle has high temperature, which causes large thermal deformation and influences the processing precision of the spindle.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an air cooling structure of a lathe spindle, which can solve the problem of inconvenient heat dissipation.
One of the purposes of the invention is realized by adopting the following technical scheme:
the air cooling structure of the lathe spindle comprises a main body and an upper bearing, wherein the upper bearing is fixed on the main body, the main body is provided with an upper air channel, an upper air equalizing channel and a plurality of upper vent holes, the upper air channel and the upper vent holes are respectively communicated with the upper air equalizing channel, the upper air equalizing channel is annular, the upper vent holes are communicated with the inside of the upper bearing, the upper vent holes are uniformly distributed on the upper air equalizing channel, the upper vent holes face the upper bearing, and an air blowing device is communicated with the upper air channel to enable air to flow through the upper air equalizing channel and blow to the upper bearing through the upper vent holes so as to reduce the temperature.
Further, the main part includes spacer bush and sleeve, the spacer bush is fixed in the sleeve, spacer bush and sleeve are equipped with the recess respectively, form the equal gas passageway between the recess, lathe main shaft air-cooling structure still includes the sealing washer, go up the sealing washer be located between spacer bush and the sleeve and be located near last equal gas passageway.
Further, the upper air-equalizing channel is perpendicular to the upper air channel.
Furthermore, the upper air-equalizing channel is in a circular truncated cone shape.
Further, the axes of the spacer bush, the sleeve and the upper bearing are on the same straight line.
Further, the main part still is equipped with the centre bore, the centre bore is cylindric.
Further, the main body is further provided with a lower air circuit, a lower air-equalizing channel and lower vent holes, the lower air circuit and the lower vent holes are respectively communicated with the lower air-equalizing channel, the lower air-equalizing channel is annular, the lower vent holes are uniformly distributed on the lower air-equalizing channel, the air cooling structure of the lathe spindle further comprises a lower bearing, the lower bearing is fixed on the main body, and the lower vent holes face the lower bearing.
Further, the upper bearing and the lower bearing are respectively located on two opposite sides of the main body.
Further, the axes of the upper bearing and the lower bearing are on the same straight line.
Further, lathe main shaft forced air cooling structure still includes lower sealing washer, the main part includes spacer sleeve and sleeve, the spacer sleeve is fixed in the sleeve, lower sealing washer is located between the spacer sleeve and the sleeve and be located near the lower gas-homogenizing passageway.
Compared with the prior art, the invention has the beneficial effects that:
the air blowing device is communicated with the upper air path, so that air flows are blown to the upper bearing through the upper air holes after being surrounded by the upper air equalizing channel, the air flows take away the heat of the upper bearing through the inside of the upper bearing, and the air is blown out through the gap at the rear end, so that the cooling effect is achieved, water vapor and dirt in the gaps at the front end and the rear end are blown away, and the air curtain sealing effect is realized.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a cross-sectional view of a preferred embodiment of the air cooling structure of the lathe spindle according to the present invention;
FIG. 2 is a cross-sectional view of the lathe spindle air-cooled A-A of FIG. 1;
fig. 3 is a sectional view of the lathe spindle air-cooling structure B-B shown in fig. 1.
In the figure: 100. a lathe spindle air cooling structure; 10. a main body; 11. a spacer sleeve; 12. a sleeve; 13. a central bore; 14. an upper gas circuit; 15. an upper gas-homogenizing channel; 16. an upper vent; 17. a lower gas circuit; 18. a lower gas-homogenizing channel; 19. a lower vent; 20. an upper sealing ring; 30. an upper bearing; 40. a lower seal ring; 50. and a lower bearing.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, an air cooling structure 100 for a lathe spindle includes a main body 10, an upper seal ring 20, an upper bearing 30, a lower seal ring 40, and a lower bearing 50.
The main body 10 comprises a spacer 11 and a sleeve 12, the spacer 11 is fixed in the sleeve 12, the main body 10 is provided with a central hole 13, the spacer 11 and the sleeve 12 are respectively provided with a groove, an upper gas-homogenizing channel 15 and a lower gas-homogenizing channel 18 are formed between the grooves, the upper gas-homogenizing channel 15 and the lower gas-homogenizing channel 18 surround the central hole 13, the central hole 13 is cylindrical, and the upper gas-homogenizing channel 15 and the lower gas-homogenizing channel 18 are in a circular truncated cone shape; the upper air-equalizing channel 15 and the lower air-equalizing channel 18 are positioned at two opposite sides of the main body 10; the main body 10 is further provided with an upper air path 14 and a plurality of upper vent holes 16, the upper air path 14 and the upper vent holes 16 are respectively communicated with the upper air-equalizing channel 15, and the upper vent holes 16 are uniformly distributed on the upper air-equalizing channel 15; the main body 10 is further provided with a lower air passage 17 and a plurality of lower vent holes 19, the lower air passage 17 and the lower vent holes 19 are respectively communicated with the lower air-equalizing channel 18, and the lower vent holes 19 are uniformly distributed on the lower air-equalizing channel 18. The upper air-equalizing channel 15 is perpendicular to the upper air channel 14, and the lower air-equalizing channel 18 is perpendicular to the lower air channel 17.
When the lathe spindle air cooling structure 100 is assembled, the upper bearing 30 and the lower bearing 50 are fixed to the main body 10, the upper bearing 30 and the lower bearing 50 are respectively located on two opposite sides of the main body 10, and the axes of the upper bearing 30 and the lower bearing 50 are on the same straight line; the upper sealing ring 20 is positioned between the spacer 11 and the sleeve 12 and near the upper air-equalizing channel 15, the upper vent hole 16 faces the upper bearing 30, and an air blowing device is communicated with the upper air passage 14, so that air flows around the upper air-equalizing channel 15 and then is blown to the upper bearing 30 from the upper vent hole 16, the air flows through the inside of the upper bearing 30 to take away heat of the upper bearing 30 and is blown out through a gap at the rear end, the cooling effect is achieved, water vapor and dirt in the gaps at the front end and the rear end are blown away, and the air curtain sealing effect is realized; the lower sealing ring 40 is located between the spacer 11 and the sleeve 12 and near the lower air-equalizing channel 18, so as to prevent leakage of compressed air and improve the air blowing effect, the lower vent hole 19 faces the lower bearing 50, an air blowing device is communicated with the lower air passage 17, so that air flow is blown to the lower bearing 50 from the lower vent hole 19 and blown to the lower bearing 50 from the lower vent hole 19 after being surrounded by the lower air-equalizing channel 18, and the axes of the spacer 11, the sleeve 12, the upper bearing 30 and the lower bearing 50 are on the same straight line.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (5)
1. The utility model provides a lathe main shaft forced air cooling structure, includes main part and upper bearing, its characterized in that: the upper bearing is fixed on the main body, the main body is provided with an upper air channel, an upper air-equalizing channel and a plurality of upper vent holes, the upper air channel and the upper vent holes are respectively communicated with the upper air-equalizing channel, the upper air-equalizing channel is annular, the upper vent holes are communicated with the interior of the upper bearing, the upper vent holes are uniformly distributed on the upper air-equalizing channel, the upper vent holes face the upper bearing, and an air blowing device is communicated with the upper air channel, so that air flows through the upper air-equalizing channel and is blown to the upper bearing from the upper vent holes to reduce the temperature; the main body comprises a spacer bush and a sleeve, the spacer bush is fixed in the sleeve, the spacer bush and the sleeve are respectively provided with a groove, an upper gas-homogenizing channel is formed between the grooves, the air cooling structure of the lathe spindle further comprises an upper sealing ring, and the upper sealing ring is positioned between the spacer bush and the sleeve and is positioned near the upper gas-homogenizing channel;
the lathe spindle air cooling structure further comprises a lower bearing, the lower bearing is fixed to the main body, and the lower vent holes face the lower bearing; the upper bearing and the lower bearing are respectively positioned at two opposite sides of the main body; the axes of the upper bearing and the lower bearing are on the same straight line; the lathe spindle air-cooling structure further comprises a lower sealing ring, the main body comprises a spacer bush and a sleeve, the spacer bush is fixed in the sleeve, and the lower sealing ring is located between the spacer bush and the sleeve and located near the lower gas-homogenizing channel.
2. The lathe spindle air-cooling structure of claim 1, wherein: the upper gas-equalizing channel is perpendicular to the upper gas circuit.
3. The lathe spindle air-cooling structure of claim 2, wherein: the upper air-equalizing channel is in a round table shape.
4. The lathe spindle air-cooling structure of claim 1, wherein: the axes of the spacer bush, the sleeve and the upper bearing are on the same straight line.
5. The lathe spindle air-cooling structure of claim 1, wherein: the main part still is equipped with the centre bore, the centre bore is cylindricly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319940.7A CN108097986B (en) | 2017-12-12 | 2017-12-12 | Lathe spindle air cooling structure |
| PCT/CN2018/115374 WO2019114483A1 (en) | 2017-12-12 | 2018-11-14 | Air cooling structure for lathe spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319940.7A CN108097986B (en) | 2017-12-12 | 2017-12-12 | Lathe spindle air cooling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108097986A CN108097986A (en) | 2018-06-01 |
| CN108097986B true CN108097986B (en) | 2020-01-14 |
Family
ID=62216672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711319940.7A Active CN108097986B (en) | 2017-12-12 | 2017-12-12 | Lathe spindle air cooling structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108097986B (en) |
| WO (1) | WO2019114483A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097986B (en) * | 2017-12-12 | 2020-01-14 | 广州市昊志机电股份有限公司 | Lathe spindle air cooling structure |
| CN111151771A (en) * | 2020-01-21 | 2020-05-15 | 广州市昊志机电股份有限公司 | Electric spindle cooled by clamping |
| KR102515080B1 (en) * | 2020-11-24 | 2023-03-27 | 김대식 | Air cooling type spindle structure |
| CN112658800B (en) * | 2021-03-18 | 2021-06-18 | 西安兴航航空科技股份有限公司 | Cooling component in high-power electric spindle rotor for machining aviation structural part |
| CN113483024B (en) * | 2021-07-14 | 2022-06-17 | 珠海格力电器股份有限公司 | Sliding sleeve structure and electric spindle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2370213B8 (en) * | 2010-04-13 | 2013-02-01 | Automat Industrial S.L. | "LUBRICATION AND REFRIGERATION SYSTEM OF A CORRESPONDING COLD WIRE LAMINATION MACHINE AND PROCEDURE" |
| EP3567267B1 (en) * | 2012-09-24 | 2021-06-16 | NTN Corporation | Bearing device with a cooling structure |
| JP2015117820A (en) * | 2013-11-18 | 2015-06-25 | Ntn株式会社 | Cooling structure of bearing device |
| JP5776753B2 (en) * | 2013-11-25 | 2015-09-09 | 日本精工株式会社 | Bearing device and spindle device for machine tool |
| WO2015146569A1 (en) * | 2014-03-22 | 2015-10-01 | Ntn株式会社 | Cooling structure for bearing device |
| JP2016089975A (en) * | 2014-11-06 | 2016-05-23 | Ntn株式会社 | Cooling structure of bearing device |
| CN207709891U (en) * | 2017-12-12 | 2018-08-10 | 广州市昊志机电股份有限公司 | Lathe spindle air-cooled structure |
| CN108097986B (en) * | 2017-12-12 | 2020-01-14 | 广州市昊志机电股份有限公司 | Lathe spindle air cooling structure |
-
2017
- 2017-12-12 CN CN201711319940.7A patent/CN108097986B/en active Active
-
2018
- 2018-11-14 WO PCT/CN2018/115374 patent/WO2019114483A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN108097986A (en) | 2018-06-01 |
| WO2019114483A1 (en) | 2019-06-20 |
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Application publication date: 20180601 Assignee: Science City (Guangzhou) Finance Leasing Co.,Ltd. Assignor: GUANGZHOU HAOZHI INDUSTRIAL Co.,Ltd. Contract record no.: X2020980004919 Denomination of invention: Air cooling structure of lathe spindle Granted publication date: 20200114 License type: Exclusive License Record date: 20200813 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Air cooling structure of lathe spindle Effective date of registration: 20200814 Granted publication date: 20200114 Pledgee: Science City (Guangzhou) Finance Leasing Co.,Ltd. Pledgor: GUANGZHOU HAOZHI INDUSTRIAL Co.,Ltd. Registration number: Y2020980005000 |
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| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Science City (Guangzhou) Finance Leasing Co.,Ltd. Assignor: GUANGZHOU HAOZHI INDUSTRIAL Co.,Ltd. Contract record no.: X2020980004919 Date of cancellation: 20220825 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220826 Granted publication date: 20200114 Pledgee: Science City (Guangzhou) Finance Leasing Co.,Ltd. Pledgor: GUANGZHOU HAOZHI INDUSTRIAL Co.,Ltd. Registration number: Y2020980005000 |